Synonyms: 2-Naphtho-2',4'-xylidide,3-hydroxy-, dihydrogen phosphate (ester) (7CI,8CI);Naphthol AS-MX phosphate;3-(Phosphonooxy)-N-(2,4-xylyl)naphthalene-2-carboxamide;3-[(2,4-Dimethylphenyl)carbamoyl]-2-naphthyl dihydrogen phosphate;N-(2,4-Dimethylphenyl)-3-(phosphonooxy)-2-naphthalenecarboxamide;